Prezi is a fun way for students to make a presentation. Let's face it making powerpoint presentations over and over again gets boring for students. Get an account show your students somethign new. It is a great tool for students to explore online presentation making.

I have made a Prezi for my science classroom.  The GRASS method is a guide for students that is a framework where students apply known formulas and principles to solve complex problems. Check it out!